
2006 Toyota Sienna LE 3.3L Misfire, MIL Lamp on
Hello all. Thoughts on this issue. Vehicle came in with a light misfire. Also had multiple codes stored. Cleared codes and P0305 comes back immidiately. Misfire data shows a constant misfire count. Performed a tune up due to original plugs. Swapped coil to #6 ...
Summary posted 6/8/2012
![]()
iATN Members:
Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle (View Replies)29 Replies Received(Hide Replies)29 Replies Received
|
Message Closed w/Summary
|
VIN | 5TDZA23C46 |
Engine | 3.3 L / 6 cyl / GAS |
Trans | 5-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Misfire, MIL Lamp On |
Occurs | Always |
Trouble Codes
P0121 | Throttle Position Sensor Range/Performance |
P0171 | Fuel System Too Lean (Bank 1) |
P0174 | Fuel System Too Lean (Bank 2) |
P0300 | Multiple Misfire Detected |
P0305 | Cylinder 5 Misfire Detected |
P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Message Closed w/Summary
Vehicle Data
2006 Toyota Sienna LE
VIN | 5TDZA23C46 |
Engine | 3.3 L / 6 cyl / GAS |
Trans | 5-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Misfire, MIL Lamp On |
Occurs | Always |
Trouble Codes
P0121 | Throttle Position Sensor Range/Performance |
P0171 | Fuel System Too Lean (Bank 1) |
P0174 | Fuel System Too Lean (Bank 2) |
P0300 | Multiple Misfire Detected |
P0305 | Cylinder 5 Misfire Detected |
P0420 | Catalyst Efficiency Below Threshold (Bank 1) |